SAN DIEGO (AP)—Veteran kicker Nick Novak agreed Tuesday to a two-year contract with the San Diego Chargers to replace the injured Nate Kaeding.

Kaeding tore a ligament in his left leg during the season’s opening kickoff, which Minnesota’s Percy Harvin(notes) returned 103 yards for a touchdown on Sunday. Kaeding was placed on injured reserve Tuesday, meaning he will miss the rest of the season.

Novak, who was in training camp with the Chargers in 2010 and the New York Jets this season, has kicked in 22 NFL games, making 19 of 30 career field goal attempts (.633). He’s played with Washington, Arizona and Kansas City.

The Chargers also signed defensive end Ogemdi Nwagbuo to a one-year deal after Luis Castillo broke his lower left leg on Sunday.

Nwagbuo was waived by the Chargers on Sept. 3. Nwagbuo played for the Chargers the last two seasons, appearing in 27 games with five starts.